package main
import (
	"fmt"
	"time"
)
func main() {
	var i float64
	var j float64 = 0 
	var c1n1 , c1n2 , c1n3 , c1n4 , c1n5 float64
	for i = 1 ; i <= 3 ; i++{
		fmt.Printf("请输入%v班五名同学的成绩，使用空格隔开",i)
		time.Sleep (time.Duration(2)*time.Second)
		fmt.Scanf("%f %f %f %f %f",&c1n1 ,&c1n2 ,&c1n3 ,&c1n4 ,&c1n5)
		time.Sleep (time.Duration(4)*time.Second)
		j =  (c1n2 + c1n1 +c1n3 + c1n4 + c1n5)/5
		fmt.Printf("%v班五名同学的平均成绩为%f",i, j)
}
	}